Ballpoint pen

Details Ballpoint pen Ballpoint pen

1997-06-16

1998-11-24

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 48, D19 56, D19 55, 1906

Patent

active

D04016246

REFERENCES:
patent: D113633 (1939-03-01), Kahn
patent: D169307 (1953-04-01), Ferber
patent: D202952 (1965-11-01), Stephens, Jr.
patent: D204527 (1966-04-01), Bich
patent: D216844 (1970-03-01), Shimada
patent: D220070 (1971-03-01), Iwasaki
patent: D259727 (1981-06-01), Zierhut
patent: D269189 (1983-05-01), Sakaoka
patent: D355673 (1995-02-01), Takahashi
patent: D374893 (1996-10-01), Vazawa
patent: 2770221 (1956-11-01), Tonkowich

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